ZG-ZS. Geared scroll chucks. Geared scroll chucks ZG-ZS

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1 The spiral ring chuck - a proven and universal suitable clamping system - finds it s application wherever a high clamping force, high runout accuracy and very high repeatability are required. For use on lathes, rotary tables, dividing heads, etc. The jaws can be moved across the entire clamping range by turning a key. Due to this, workpieces with different diameters can be clamped without changing or shifting the jaws. Special flat design with direct mounting. Technical features: - with one-piece jaws - with scroll - self-centering - lathe chucks must be lubricated regularly to maintain their gripping force Type jaw-chuck cast iron body ; cylindrical centre mount, form A Item no. Size ZA Through-hole Speed max. min-1 Torque Nm Total clamping ) ) ) ) with one set reversible jaws 2) intermediate size Delivery includes: 1 set of outward stepped jaws (BB) mounted in the chuck, 1 set of inward stepped jaws (DB), 1 operating key, mounting bolts Type jaw-chuck steel body ; cylindrical centre mount, form A Item no. Size ZA Through-hole Speed max. min-1 Torque Nm Total clamping intermediate size Type jaw-chuck cast iron body ; cylindrical centre mount, form A Item no. Size ZA Through-hole Speed max. min-1 Torque Nm Total clamping intermediate size 3023

2 Type jaw-chuck steel body ; cylindrical centre mount, form A Type jaw-chuck steel body ; cylindrical centre mount, form A Item no. Size ZA Through-hole Speed max. min-1 Torque Nm Total clamping intermediate size Item no. Size ZA Through-hole Speed max. min-1 Torque Nm Total clamping intermediate size Further dimensions on request Type jaw-chuck cast iron body ISO (DIN 55027); with studs and locknuts, optional DIN with set screw and nut , , , ,

3 Type jaw-chuck steel body ISO (DIN 55027); with studs and locknuts, optional DIN with set screw and nut , , , , Type jaw-chuck cast iron body ISO (DIN 55027); with studs and locknuts, optional DIN with set screw and nut , , , ,

4 Type jaw-chuck steel body ISO (DIN 55027); with studs and locknuts, optional DIN with set screw and nut , , , , Type jaw-chuck cast iron body ISO (DIN 55026); DIN 55021, ASA B 5.9, A1/A2 metr.; mounting from front Type jaw-chuck steel body ISO (DIN 55026); DIN 55021, ASA B 5.9, A1/A2 metr.; mounting from front mounting from front in the inner bolt circle mounting from front in the inner bolt circle 3026

5 Type jaw-chuck cast iron body ISO (DIN 55026); DIN 55021, ASA B 5.9, A1/A2 metr.; mounting from front Type jaw-chuck steel body ISO (DIN 55026); DIN 55021, ASA B 5.9, A1/A2 metr.; mounting from front mounting from front in the inner bolt circle mounting from front in the inner bolt circle Type jaw-chuck cast iron body ISO (DIN 55029); ASA B 5.9, Type D, with studs for Camlock , , , ,

6 Type jaw-chuck steel body ISO (DIN 55029); ASA B 5.9, Type D, with studs for Camlock , , , , Type jaw-chuck cast iron body ISO (DIN 55029); ASA B 5.9, Type D, with studs for Camlock , , , ,

7 Type jaw-chuck steel body ISO (DIN 55029); ASA B 5.9, Type D, with studs for Camlock , , , ,

8 Type jaw-chuck cast iron body mounting from front; cylindrical centre mount Item no. Size ZA Through-hole Speed max. min-1 Torque Nm Total clamping Type jaw-chuck steel body mounting from front; cylindrical centre mount Item no. Size ZA Through-hole Speed max. min-1 Torque Nm Total clamping Type jaw-chuck cast iron body mounting from front; cylindrical centre mount Item no. Size ZA Through-hole Speed max. min-1 Torque Nm Total clamping Type jaw-chuck steel body mounting from front; cylindrical centre mount Item no. Size ZA Through-hole Speed max. min-1 Torque Nm Total clamping Type 300 ZG with base plate 3-jaw-chuck cast iron body Item no. Size Through-hole Torque Nm Total clamping

9 Jaws Type 300 Inside jaw BB outward stepped jaw, hardened Type 400 Inside jaw BB outward stepped jaw, hardened Item no. Chuck Size Number of jaws Jaw length Jaw height Jaw width / / , , , , , , , / , / reversible, for use as turning or inside jaws Stepped and hardened jaws, supplied as supplement or as spares, must be ground on the chuck. In case of a subsequent jaw delivery please return the chuck. Item no. Chuck Size Number of jaws Jaw length Jaw height Jaw width / / , , , , , , , / , / jaws reversible Stepped and hardened jaws, supplied as supplement or as spares, must be ground on the chuck. In case of a subsequent jaw delivery please return the chuck. Jaws Type 300 Outside jaw DB inward stepped jaw, hardened Item no. Chuck Size Number of jaws Jaw length Jaw height Jaw width / / , , , , , , , / , / Stepped and hardened jaws, supplied as supplement or as spares, must be ground on the chuck. In case of a subsequent jaw delivery please return the chuck. Type 400 Outside jaw DB inward stepped jaw, hardened Item no. Chuck Size Number of jaws Jaw length Jaw height Jaw width /85/80/ / , , , , , , , / , / Stepped and hardened jaws, supplied as supplement or as spares, must be ground on the chuck. In case of a subsequent jaw delivery please return the chuck. 3031

10 Jaws Type 301 Unstepped jaw BL unstepped, soft, 16MnCr5 Item no. Chuck Size Number of jaws Jaw length Jaw height Jaw width / / , , , , , , , / , / jaws reversible Jaws Type 401 Unstepped jaw BL unstepped, soft, 16MnCr5 Item no. Chuck Size Number of jaws Jaw length Jaw height Jaw width / / , , , , , , , / , / jaws reversible Type 302 Base jaw GB with fixing screw Item no. Chuck Size Number of jaws Jaw length Jaw width / / Type 402 Base jaw GB with fixing screw Item no. Chuck Size Number of jaws Jaw length Jaw width / /

11 Jaws Type 303 Reversible top jaws UB hardened Item no. Chuck Size Number of jaws Jaw length Jaw height Jaw width / , , / ,7 41, ,5 42, ,3 52, ,5 57, / , / ,5 50 Stepped and hardened jaws, supplied as supplement or as spares, must be ground on the chuck. In case of a subsequent jaw delivery please return the chuck. Type 403 Reversible top jaws UB hardened Item no. Chuck Size Number of jaws Jaw length Jaw height Jaw width / , , / ,7 41, ,5 42, ,3 52, ,5 57, / , / ,5 50 Stepped and hardened jaws, supplied as supplement or as spares, must be ground on the chuck. In case of a subsequent jaw delivery please return the chuck. Jaws Type 302 Unstepped top jaw AB soft, material 16MnCr5 Item no. Chuck Size Number of jaws Jaw length Jaw height Jaw width / , , / , , , , / , / ,5 Type 402 Unstepped top jaw AB soft, material 16MnCr5 Item no. Chuck Size Number of jaws Jaw length Jaw height Jaw width / , , / , , , , / , / ,5 3033

12 Jaws Type 301 Unstepped jaw BL, special length, soft, 16MnCr5 Item no. Chuck Size Number of jaws A1 X1 max. A J X Max , / / , / / / Jaws Type 401 Unstepped jaw BL, special length, soft, 16MnCr5 Item no. Chuck Size Number of jaws A1 X1 max. A J X Max , / / , / / / Type 301 Unstepped jaw BL, special height, soft, 16MnCr5 Item no. Chuck Size Number of jaws C1 J1 C J , , / / , , / / , , /

13 Jaws Type 401 Unstepped jaw BL, special height, soft, 16MnCr5 Type 302 Top jaw AB, special length, soft, 16MnCr5 Item no. Chuck Size Number of jaws C1 J1 C J , , / / , , / / , , / Item no. Chuck Size Number of jaws A1 X1 max. F A X Max , , / , / , , , / , / , , / , / , Jaws Type 402 Top jaw AB, special lenght, soft, 16MnCr5 Item no. Chuck Size Number of jaws A1 X1 max. F A X Max , , / , / , , , / , / , , / , / ,

14 Jaws Jaws Type 302 Top jaw AB, special height, soft, 16MnCr5 Type 402 Top jaw AB, special height, soft, 16MnCr5 Item no. Chuck Size Number of jaws C1 C F , , / , / , , , / , / , , / , / ,5 Item no. Chuck Size Number of jaws C1 C F , , / , / , , , / , / , , / , / ,5 Type 302 Top jaw AB, special width and height, soft, 16MnCr5, Item no. Chuck Size Number of jaws B1 C1 B C / / /

15 Jaws Type 402 Top jaw AB, special width and height, soft, 16MnCr5, Item no. Chuck Size Number of jaws B1 C1 B C , , / , / , , , / ,5 65 Tool group C15 Type 0040-Y Mounting bolt for top jaws bolt 1 Item no. Size Thread /110 M6x M8x /160/200 M8x M10x M12x /400 M16x /630 M20x80 Jaws Tool group C15 Type 0040-Y Mounting bolt for top jaws bolt 2 Item no. Size Thread /110 M6x /140/160/200 M8x M12x M12x /400 M16x /630 M20x

16 Accessories Type 600 Base plates for lathe chucks with cylindrical centre mount Type 304 Unfinished adapter plates for cylindrical mount The unfinished back plate must be machined and fitted on both machine and chuck side Item no. Size Item no. Chuck Size Inch A B C D E Accessories ¼ ½ ¼ ½ Type 300 Chip guard, piece Tool group C15 Type 1028 Special grease F80 for lathe chucks for lubrication and conservation of chucking power Item no. Contents of delivery Size Item no. Design Contents piece 80/ piece 100/ piece piece 140/ piece piece piece 315/350/ piece 500/ Tin 1 kg Type 300 Scroll Type 300 Driving pinion Item no. Size Item no. Size / Type 300 Pinion holder screw Type 300 Standard key Item no. Size Item no. Size Square Hexagon Length L / / / / / /

17 Accessories Type 300 Safety key Type 300 Elongated safety key Item no. Size Square Length Item no. Size Square Length Tool group C15 L / / / / / / Type 0040-Y Mounting screws with cylindrical centre rim Item no. Size Thread Tool group C15 L / / / Type 0040-Y Mounting screws for lathe chucks with direct short-taper, for front mounting Item no. Size Thread Chuck Size Taper size Accessories M6x M8x M10x M10x M16x M16x M10x M10x M12x M10x M12x M16x M12x M16x /230 M12x M16x M20x M20x M20x M24x Type 310 Set screw with nut DIN Type 315 Stud and locknut ISO (DIN 55027) Item no. Thread For taper Quantity Item no. Thread For taper Quantity M10x M10x M12x M16x M20x M24x M10x M10x M10x M12x M16x M20x M24x M24x Type 330 Stud for Camlock ISO (DIN 55029) and cylindrical studs Item no. Thread For taper Quantity /16-20x /16-20x ½-20x /8-18x ¾-16x55, /8-14x x ½-12x

18 Technical data - Chuck dimensions, ZGU-ZSU and ZGF For mounting on dividing heads and other attachments from the front, the lathe chucks with a cylindrical centre mount can also be supplied pre-drilled (at surcharge) G 1, it is also possible to enlarge the bore (measure E, at surcharge) Dimensions, ZGU-ZSU, ZGF Cylindrical centre mount Enlarged bore max. Size A B H C 2, D 32,5 39,5 39, , E E max F G 3xM6 3xM6 3xM6 3xM8 3xM8 3xM8 3xM8 3xM10 3xM10 3xM12 3xM16 3xM16 3xM16 6xM16 6xM16 G xØ9* - 3xØ10,5 3xØ11 3xØ14 3xØ14-3xØ18 6xØ18 6xØ18 H J ,5 22, , ,5 54,5 K L ,5-95, ,6 139, ,5 171,5 201,5 216,5 M ,7 66,7 79, , V ,6 53, ,7 69,7 80,2 89,9 100,4 110,4 113,4 128,4 143,3 W 13 14,5 14, ,45 25,7 26, approx. kg 1 1,3 1,9 2,9 3,4 4,5 5,8 8,2 14,6 25,7 44, G1 = Mounting from front *4-jaw Cylindrical centre mount Enlarged bore max. Size ØA B C 2) 7 +0, , , ,03 D E Emax F Jaw 6xØ22 6xØ22 6xØ26 6xØ26 G 4-Jaw 8xØ22 8xØ22 8xØ26 6xØ26 K L 240,6 240,6 269,6 269,6 M N Jaw 6xØ18 6xØ18 6xØ18 6xØ18 O 4-Jaw 4xØ18 4xØ18 4xØ18 6xØ18 V W approx. kg Hexagon 2) Adapter plate dimension 7-0,03 Position of fixing screws and pinions on lathe chucks with cylindrical centre mount sizes (size 350 on request) at size at size Short taper mount DIN 55021, with setscrews and locknuts DIN 55027, with setscrews and locknuts Size A Taper size B 53,9 53,9 63,5 53,9 63,5 82,5 53,9 63,5 82,5 53,9 63,5 82,5 106,4 D ,5 74,5 74,5 74,5 E , DIN F 104,8 104,8 Caml. 70,6 70,6 82,5 70,6 82,5 70,6 82,5 70,6 82,5 104,8 133,4 P , Q V 78,3 73,7 73,7 81,7 81,7 81,7 70,7 70,7 70,7 81,2 81,2 81,2 81,2 W ,45 23,45 23,45 26,7 26,7 26,7 26,7 Mounting holes DIN Caml approx. kg 4 5,5 7 8,5 15,5 50 with Camlock, other dimensions in the table on the top DIN 55029, with studs for Camlock 3060

19 Technical data - Geared scroll chuck Chuck dimensions, ZGU-ZSU and ZGF Short taper mount DIN 55021, with setscrews and locknuts DIN 55027, with studs and nuts DIN 55029, with studs for Camlock Size A Taper size B 63,5 82,5 106,4 139,7 82,5 106,4 139,7 196,9 106,4 139,7 196,9 106,4 139,7 196,6 D E 60, , F DIN 85 Caml. 82,5 104,8 133,4 171,4 104,8 133,4 171, ,4 171, ,4 171,4 235 P 60, , Q 40, V 90,9 90,9 90,9 90,9 101,4 101,4 101,4 109,4 127,4 127,4 127,4 114,4 114,4 114,4 W 27,5 27,5 27,5 27, Mounting holes DIN Caml approx. kg Size A Taper size B 139,7 196,9 285,8 196,9 285,8 196,9 285,8 285,8 412,8 285,8 412,8 285,8 412,8 D E , F 171, , , ,2 330,2 463,6 330,2 463,6 330,2 463,6 P ,7-192,7 281,2 281,2-281,2 407,5 281,2 407,5 Q V 130,4 130,4 130,4 145,3 145, W Mounting holes DIN Caml approx. kg All other dimensions should be taken from the table about chucks with cylindrical centre mount Dimensions, ZGU-ZSU, ZGF Short taper mount DIN Mounting from front Size A Taper size B 82,5 82,5 106,4 82,5 106,4 139,7 106,4 139,7 106,4 139,7 139,7 196,9 D 66 74,5 74, E F 2) , ,4-133,4-171,4 - G N 3) 61,9 61,9 82,6-82,6 111,1-111,1-111,1-165,1 O ) V 70,7 81,2 81,2 90,9 90,9 90,9 101,4 101,4 127,4 127,4 114,4 114,4 W 23,45 26,7 26, Mounting holes * ** approx. kg 8 14, , Size A Taper size B 196,9 196,9 285,9 196,9 285,9 196,9 285,9 412,8 285,9 412,8 285,9 412,8 D E F 2) , ,2 463,6 330,2 463,6 330,2 463,62 G N 3) , O P , ,2-281,2 407,5 281,2 407,5 Q V 130,4 145,3 145,3 159,9 159,9 159,9 159,9 159, W Mounting holes * ** approx. kg with ASA B 5.9 inch thread 3) With DIN Forme B; ASA B 5.9 A1/B1 2) With DIN Forme A and B; DIN Forme A and B; ASA B 5.9 A1/A2 * 3-jaw ** 4-jaw 3061

20 Technical data - Geared scroll chuck Chuck dimensions, ZGU-ZSU and ZGF External chucking Chucking capacities of jaw steps (standard values) Size A1 (BB) A2 (DB) A3 (DB) A4 (DB) max. swing dia Jaw movement Dimensions, ZGU-ZSU, ZGF Ø Ø Size A A A A max. swing dia Jaw movement Internal chucking Size J J Ø Ø Size J J J Clamping ranges for lathe chucks with individual adjustable jaws (EG-ES) are in approximate conformity with the above values. They are valid for 3- and 4-jaw chucks and lathe chucks with reversible jaws. Do not exceed maximum chucking ranges. Max. permissible speeds for, ZGU-ZSU, ZG Hi-Tru chucks to The maximum permissible speed has been fixed so that 1/3 of the gripping force is still available as residual gripping force if the maximum gripping is applied and the chuck is fitted with its heaviest jaws. The jaws may not project beyond the outside diameter of the chuck. The chuck must be in perfect condition. The speed limit for chucks with cast iron bodies is based on the permissible peripheral speed for cast iron. The specification DIN 6386 Part 1 shall be observed. 3 and 4 jaws Size Cast iron body Steel body

21 Technical data - Jaw dimensions, ZGU-ZSU, ZGF, ZG Hi-Tru Dimensions F and G apply to outward stepped jaws BB Dimensions J and K apply to inward stepped jaws DB Outward stepped jaw (inside jaw) BB Unstepped jaw, soft (block jaw) BL Size 74 80/85 100/ / /630 A B C ,5 41,5 41,5 47,5 53,5 67,5 79,5 79,5 95 D 4,7 4,8 6,3 7,3 8,3 8,3 8,3 10,3 11,3 11,3 14,9 E 4 4, F ,5 41,5 50 G 21 24, ,5 86,5 120 H J K - 24, Jaw approx. kg Reversible jaws BB 0,03 0,05 0,1 0,2 0,22 0,25 0,3 0,7 1,8 1,8 3,8 BL 0,05 0,08 0,15 0,27 0,32 0,38 0,52 1 2,4 2,4 5,2 Dimensions, ZGU-ZSU, ZGF Base jaw GB Ø Ø Size 100/ / A B -0,05 7,94 7,94 7,94 7,94 7,94 12,7 12,7 12,7 12,7 12,7 C 2,5 3,1 3,1 3,1 3,1 3,1 3,1 3,1 3,1 3,1 D +0,01 9,5 12,68 12,68 12,68 12,68 19,03 19,03 19,03 19,03 19,03 E 6 7,6 7,6 7,6 7,6 7,6 7,6 10,8 10,8 10,8 F 3,4 4,8 7,8 4,8 6,8 8 5,5 10,5 2) 8,5 8,5 G ,8 15, ,2 25,4 28,5 28,5 28,5 H ,1 38,1 44, ,5 76,2 38,1 38,1 J metr. M6 M8 M8 M8 M8 M12 M12 M16 M20 M20 UNC 1/4"-20 5/16"-18 3/8"-16 3/8"-16 3/8"-16 1/2"-13 1/2"-13 5/8"-11 3/4"-10 3/4"-10 K 12 14, L 19,25 22,6 28,5 28,5 34,9 39,7 47,6 57,1 57,1 57,1 M ,1 38,1 N O 19, Grooves Tapped holes Jaw approx. kg 0,06 0,12 0,17 0,17 0,22 0,4 0,78 1 1,72 2,1 Ø Size A B -0,05 12,7 12,7 12,7 12,7 C 3,1 3,1 3,1 3,1 D +0,01 19,03 19,03 19,03 19,03 E 10,8 10,8 10,8 10,8 F G 28,5 28,5 28,5 28,5 H 38,1 38,1 38,1 38,1 J metr. M20 M20 M20 M20 UNC 3/4"-10 3/4"-10 3/4"-10 3/4"-10 K L 57,1 57,1 57,1 57,1 M 38,1 38,1 38,1 38,1 N O Grooves Tapped holes Jaw approx. kg 6,2 7,1 8 9 Reversible jaws 2) Size 3063

22 Technical data - Geared scroll chuck Jaw dimensions, ZGU-ZSU, ZGF, ZG Hi-Tru Reversible top jaw UB Chuck size Dimensions, ZGU-ZSU, ZGF A ,7 79,5 95,3 109, B ,5 26,5 28,5 30,5 36,5 42,5 42,5 50, C 1 29,5 37,5 41,5 42,5 52,5 57,5 64,5 79, D 5,5 7,6 7,6 7,6 7,6 7,6 10,8 10,8 10,8 10,8 E 7,96 7,96 7,96 7,96 12,72 12,72 12,72 12,72 12,72 12,72 F 2,5 3,1 3,1 3,1 3,1 3,1 6,35 6,35 6,35 6,35 G 9,50 12,68 12,68 12,68 19,03 19,03 19,03 19,03 19,03 19,03 H 19,25 22,6 28,5 34,9 39,7 47,6 57,1 57,1 57,1 57,1 J , ,2 25,4 28,5 28,5 28,5 28,5 K ,1 44,45 53,95 63,5 76,2 76,2 76,2 76,2 L 6, ,5 2) 9 10,5 2) M ) ) N ,5 13, ,5 21,5 O , ,2 25,4 28,5 54, P 29, ,8 51,5 60,2 67, , R S 22,25 25,6 32,2 38,7 43,5 52,9 62,1 63, T ,5 22, ,7 33, ,5 41,5 U V ,1 38,1 Jaw approx. kg UB 0,12 0,19 0,27 0,39 0,66 1,02 1,27 2 4,45 6,1 AB 0,21 0,34 0,5 0,7 1,2 1,86 2,18 3, ,8 Saw-tooth standard model Cross-grooving from size 250 available from size 700 standard-model Unstepped top jaw soft AB 3064